Statistical vocab

Question 1

a graph that uses Xs above a number line to show data; line plots are useful for showing how data is grouped.

Answer 1

line plot

Question 2

A question that can have a variety of answers and can be used to make a prediction about a larger group.

Answer 2

Statistical question

Question 3

shows how spread out o how clustered data values are.

Answer 3

Distribution

Question 4

the sum of all the values divided by the number of values.

Answer 4

mean

Question 5

the middle number in a data set when all the values are listed from least from least to greatest.

Answer 5

median

Question 6

the number that appears most often data set.
7, 9, 10, 13, 15, 15, 15
the mode is 15

Answer 6

mode

Question 7

a five-number summary that includes the minimum, the lower quartile, the median, the upper quartile, and maximum; shown graphically next to a number line.

Answer 7

box plot

Question 8

the middle number of all values less than the median

Answer 8

lower quartile

Question 9

the middle number of all greater than the median.

Answer 9

upper quartile

Question 10

the difference between the greatest and least values in a data set.

Answer 10

range

Question 11

the difference between the greatest the upper quartile and lower quartile.

Answer 11

interquartile range (IQR)

Question 12

a data point far away from other data points; it doesn’t quite fit with the rest of the data points.

Answer 12

outlier